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Please use this identifier to cite or link to this item: http://dspace.library.iitb.ac.in/jspui/handle/10054/10899

Title: Heat and fluid flow across a rotating cylinder dissipating uniform heat flux in 2D laminar flow regime
Authors: PARAMANE, SB
SHARMA, A
Keywords: circular-cylinder
horizontal cylinder
cross-flow
convection
visualization
square
cavity
wake
Issue Date: 2010
Publisher: PERGAMON-ELSEVIER SCIENCE LTD
Citation: INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER, 53(21-22), 4672-4683
Abstract: Free-stream flow and forced convection heat transfer across a rotating cylinder, dissipating uniform heat flux, are investigated numerically for Reynolds numbers of 20-160 and a Prandtl number of 0.7. The non-dimensional rotational velocity (alpha) is varied from 0 to 6. Finite volume based transient heatline formulation is proposed. For Re = 100, the reasons for the onset/suppression of vortex shedding at a critical rotational velocity is investigated using vorticity dynamics. At higher rotational velocity, the Nusselt number is almost independent of Reynolds number and thermal boundary conditions. Finally, a heat transfer correlation is proposed in the 2D laminar flow regime. Cylinder rotation is an efficient Nusselt number reduction or cylinder-surface temperature enhancement technique.
URI: http://dx.doi.org/10.1016/j.ijheatmasstransfer.2010.06.026
http://dspace.library.iitb.ac.in/xmlui/handle/10054/10899
http://hdl.handle.net/10054/10899
ISSN: 0017-9310
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